Home / 3,443.28-5,157.84-2,329.20

Finding the Fourth Proportional to 3,443.28, 5,157.84 and 2,329.20

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Solution

The fourth proportional to 3,443.28, 5,157.84 and 2,329.20 is: 3,489.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.28 : 5,157.84 = 2,329.20 : x
  2. Step 2: Convert to fraction form
    3,443.28/5,157.84 = 2,329.20/x
  3. Step 3: Cross multiply
    3,443.28x = 5,157.84 × 2,329.20
  4. Step 4: Simplify right side
    3,443.28x = 12,013,640.93
  5. Step 5: Solve for x
    x = 12,013,640.93/3,443.28
  6. Step 6: Final answer
    x = 3,489.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.